/Engine/Plugins/MovieScene/SequencerScripting/Source/SequencerScripting/Public/ExtensionLibraries/SequencerScriptingRangeExtensions.h
Set the starting time for the specified range in seconds. Interpreted as the first valid time that is inside the range.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Sequencer|Sequence", Meta=(ScriptMethod)) static void SetStartSeconds ( [FSequencerScriptingRange](API\Plugins\SequencerScripting\FSequencerScriptingRange) & Range, float Start )